Finding the Fourth Proportional to 402,169.74, 603,328.78 and 132,313.06
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Solution
The fourth proportional to 402,169.74, 603,328.78 and 132,313.06 is: 198,493.99
Step by Step Solution
- Step 1: Write the proportion equation
402,169.74 : 603,328.78 = 132,313.06 : x - Step 2: Convert to fraction form
402,169.74/603,328.78 = 132,313.06/x - Step 3: Cross multiply
402,169.74x = 603,328.78 × 132,313.06 - Step 4: Simplify right side
402,169.74x = 79,828,277,067.87 - Step 5: Solve for x
x = 79,828,277,067.87/402,169.74 - Step 6: Final answer
x = 198,493.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.